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3 years ago

There are 3 car parks each with 500 spaces in each there are 150 spaces in a fourth car park how many spaces are there together

Mathematics

1 answer:

Luda [366]3 years ago

4 0

Answer:

1650

Step-by-step explanation:

3*500=1500 +150(space on the fourth one )

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Solve for x: |2x+6| -4 = 20

Bingel [31]

|2x + 6| - 4 = 20

First, add 4 to both sides. / Your problem should look like: |2x + 6| = 20 + 4
Second, simplify 20 + 4 to 24. / Your problem should look like: |2x + 6| = 24
Third, break down the problem into these 2 equations. / 2x + 6 = 24 and -(2x + 6) = 24
Fourth, solve the 1st equation: 2x + 6 = 24
Subtract 6 from both sides. / Your problem should look like: 2x = 24 - 6
Simplify 24 - 6 to 18. / Your problem should look like: 2x = 18
Divide both sides by 2. / Your problem should look like: x = $\frac{18}{2}$
Simplify $\frac{18}{2}$ to 9 / Your problem should look like: x = 9
Fifth, solve the 2nd equation: -(2x + 6) = 24
Simplify brackets. / Your problem should look like: -2x - 6 = 24
Add 6 to both sides. / Your problem should look like: -2x = 24 + 6
Simplify 24 + 6 to 30. / Your problem should look like: -2x = 30
Divide both sides by -2. / Your problem should look like: x = $\frac{30}{-2}$
Simplify $\frac{30}{-2}$ to $- \frac{30}{2}$ / Your problem should look like: x = $-\frac{30}{2}$
Simplify $\frac{30}{2}$ to 15. / Your problem should look like: x = -15
Sixth, collect all of your solutions. / Your problem should look like: x = -15, 9

Answer: x = -15, 9 (C)

4 0

4 years ago

Work out (8 x 1011) : (4 x 1017 Give your answer in standard form.

solniwko [45]

Answer: 1988 x 10^-3

Explanation:
(8 x 1011)/(4x1017)
= 8(1000+11)/4(1000 + 17)
= 2(1000+11)/1017
= 2022/1017 is approximately 1.988
Which in standard form 1988 x 10^-3

8 0

3 years ago

1/2 - 1/12=????????

Reptile [31]

Answer:

5/12

Step-by-step explanation:

Subtract.

$\frac{1}{2}$ - $\frac{1}{12}$ = $\frac{5}{12}$

You can not simplify, so that is your answer.

Here to help!

6 0

3 years ago

Read 2 more answers

An ice cream store sells 28 flavors of ice cream. Determine the number of 4 dip sundaes.

weeeeeb [17]

Answer:

$20,475\ ways$

Step-by-step explanation:

we know that

Combinations are a way to calculate the total outcomes of an event where order of the outcomes does not matter.

To calculate combinations, we will use the formula

$C(n,r)=\frac{n!}{r!(n-r)!}$

where

n represents the total number of items

r represents the number of items being chosen at a time.

In this problem

$n=28\\r=4$

substitute

$C(28,4)=\frac{28!}{4!(28-4)!}\\\\C(28,4)=\frac{28!}{4!(24)!}$

simplify

$C(28,4)=\frac{(28)(27)(26)(25)(24!)}{4!(24)!}$

$C(28,4)=\frac{(28)(27)(26)(25)}{(4)(3)(2)(1)}$

$C(28,4)=20,475\ ways$

6 0

3 years ago

The product of any integer and -1 is always ?

vagabundo [1.1K]

$holla$

The product of any integer (let that any integer be' x') and '-1 ' will be -

if the integer is positive then the integer will be negetive
$x \times - 1 = - x$

if the integer is negetive then the product will be positive
$- x \times - 1 = x$

if the integer is 0 then the product will be 0
as any no. multiplied by 0 is 0

$0 \times - 1 = 0$

5 0

3 years ago